ひでん

  1. noun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

    secret (recipe, medicine, etc.), mysteries (e.g. of an art)

    • 内弟子とは師と寝食をともにし、あらゆる武術のノウハウと秘伝を伝える制度だ。
      Apprenticeship is a system where you eat, sleep and live with your master and are taught various martial arts know-how and secrets.